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Rifles, Reloading, Optics, Equipment
Reloading
280AI range results
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<blockquote data-quote="Evilsports" data-source="post: 2285605" data-attributes="member: 40834"><p>Can anybody recommend a way to a resize a case to modify without necking it down?</p><p></p><p>I took three pieces of fired brass and FL resized it so they would accurately represent the casing that I am loading. I put it in the lathe last night and drilled/tapped it to 5/16 x 36TPI in order to fit my OAL gauge. Trouble was the necks were too tight to slide the bullets in and out.</p><p></p><p>I collapsed the shoulder of my first test piece of brass trying to tap a bullet in. The second piece I ended up boring out some with a Dremel until the bullet slid in and out. I'm still not happy with it. I was thinking about cutting a small notch in my third piece with a Dremel cutting wheel in order to facilitate the bullet sliding easily.</p><p></p><p>You guys aren't just using fireformed brass for your modified OAL cases are you? I was thinking of that but figured the shoulders wouldn't be a match for the brass that I'd be loading.</p><p></p><p>I was able to get some relatively consistent measurements with the piece that I bored out with the Dremel. I'm just not overly confident in how much pressure I'm putting on the OAL rod when I tap it forward to push the bullet into the lands. I used a few different projectiles and have been getting OAL measurements within a 10-15 thou window. I guess I was hoping for something a bit more refined than that.</p><p></p><p>If the measurement that I'm getting are accurate, it would tell me that my most accurate seat depth group was .009-.019" jump.</p><p></p><p>Thanks,</p><p>Kevin</p></blockquote><p></p>
[QUOTE="Evilsports, post: 2285605, member: 40834"] Can anybody recommend a way to a resize a case to modify without necking it down? I took three pieces of fired brass and FL resized it so they would accurately represent the casing that I am loading. I put it in the lathe last night and drilled/tapped it to 5/16 x 36TPI in order to fit my OAL gauge. Trouble was the necks were too tight to slide the bullets in and out. I collapsed the shoulder of my first test piece of brass trying to tap a bullet in. The second piece I ended up boring out some with a Dremel until the bullet slid in and out. I'm still not happy with it. I was thinking about cutting a small notch in my third piece with a Dremel cutting wheel in order to facilitate the bullet sliding easily. You guys aren't just using fireformed brass for your modified OAL cases are you? I was thinking of that but figured the shoulders wouldn't be a match for the brass that I'd be loading. I was able to get some relatively consistent measurements with the piece that I bored out with the Dremel. I'm just not overly confident in how much pressure I'm putting on the OAL rod when I tap it forward to push the bullet into the lands. I used a few different projectiles and have been getting OAL measurements within a 10-15 thou window. I guess I was hoping for something a bit more refined than that. If the measurement that I'm getting are accurate, it would tell me that my most accurate seat depth group was .009-.019" jump. Thanks, Kevin [/QUOTE]
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